Linksys BEFSR11 - EtherFast Cable/DSL Router Manuale utente

Instant Broadband™ Series

EtherFast

Cable/DSLRouter

Model Nos.: BEFSR11

BEFSR41

User Guide

BEFSR41 User Guide Apr 2000.qxd 4/27/00 3:19 PM Page 1

trademark of Linksys. Microsoft, Windows, and the Windows logo are registered trade-

marks of Microsoft Corporation. All other trademarks and brand names are the proper-

ty of their respective proprietors.

LIMITED WARRANTY

Linksys guarantees that every Instant Broadband EtherFast Cable/DSL Router is free

from physical defects in material and workmanship under normal use for one (1) year

from the date of purchase. If the product proves defective during this warranty period,

call Linksys Customer Support in order to obtain a Return Authorization number. BE

SURE TO HAVE YOUR PROOF OF PURCHASE ON HAND WHEN CALLING. RETURN

REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE. When

returning a product, mark the Return Authorization number clearly on the outside of the

package and include your original proof of purchase.

IN NO EVENT SHALL LINKSYS’ LIABILITY EXCEED THE PRICE PAID FOR THE PROD-

UCT FROM DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAM-

AGES RESULTING FROM THE USE OF THE PRODUCT, ITS ACCOMPANYING SOFT-

WARE, OR ITS DOCUMENTATION. Linksys makes no warranty or representation,

expressed, implied, or statutory, with respect to its products or the contents or use of

this documentation and all accompanying software, and specifically disclaims its quali-

ty, performance, merchantability, or fitness for any particular purpose. Linksys reserves

the right to revise or update its products, software, or documentation without obligation

to notify any individual or entity. Please direct all inquiries to:

Linksys P.O. Box 18558, Irvine, CA 92623.

FCC STATEMENT

The Instant Broadband EtherFast Cable/DSL Router has been tested and found to

comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC

Rules. These limits are designed to provide reasonable protection against harmful

interference in a residential installation. This equipment generates, uses, and can radi-

ate radio frequency energy and, if not installed and used according to the instructions,

may cause harmful interference to radio communications. However, there is no guaran-

tee that interference will not occur in a particular installation. If this equipment does

cause harmful interference to radio or television reception, which is found by turning

the equipment off and on, the user is encouraged to try to correct the interference by

one or more of the following measures:

• Reorient or relocate the receiving antenna

• Increase the separation between the equipment or device

• Connect the equipment to an outlet other than the receiver’s

• Consult a dealer or an experienced radio/TV technician for assistance

005

BEFSR41 User Guide Apr 2000.qxd 4/27/00 3:19 PM Page 3

Instant Broadband Series

Table of Contents

Introduction 1

Features 1

Package Contents 2

System Requirements 2

Getting to Know the 4-Port Cable/DSL Router 3

The 4-Port Router’s Rear Panel 3

The 4-Port Router’s Front Panel LEDs 4

The Reset Button 5

Getting to Know the One-Port Cable/DSL Router 6

The One-Port Router’s Rear Panel 6

The One-Port Router’s Front Panel LEDs 7

Connecting Your Cable/DSL Router to 9

Your Network

Overview 9

About Static & Dynamic IP Addresses 9

Connecting Everything Together & Booting Up 10

Configuring the Cable/DSL Router 12

Configuring Your Cable/DSL Router 12

Configuring Your PCs to Connect to the Cable/DSL Router 15

The Cable/DSL Router’s Web-based Utility 17

Quick and Easy Administration 17

Basic Features 18-23

Advanced Features 24-29

Troubleshooting 30

Appendix 36

How to Ping Your ISP’s E-mail & Web Addresses 36

Installing the TCP/IP Protocol 39

Twisted-Pair Cabling 41

Crimping Your Own Network Cables 42

4-Port Router Specifications 43

One-Port Router Specifications 44

Customer Support 45

BEFSR41 User Guide Apr 2000.qxd 4/27/00 3:19 PM Page 4

EtherFast Cable/DSL Routers

Introduction

The Linksys EtherFast Cable/DSL Router

Congratulations on your purchase of a Linksys Instant Broadband EtherFast

Cable/DSL Router. The EtherFast Cable/DSL Router is the perfect option to

connect a small group of PCs to a high-speed Broadband Internet connection

or to an Ethernet backbone. Configurable as a DHCP server, the EtherFast

Cable/DSL Router acts as the only externally recognized Internet device on

your local area network (LAN). The Router serves as an Internet firewall,

protecting your network from being accessed by outside users. All incoming

data packets are monitored and filtered. The router can also be configured to

block internal users' access to the Internet.

Not only will all of your PCs now be able to enjoy your lightening-fast

Broadband Internet connection, they will also be able to share internal net-

work data. Add it all together and your small network will hum along faster

than you ever thought possible.

Features

• Connects to a Broadband modem or to an Ethernet backbone.

• Equipped with a 4-port 10/100 Switch (BEFSR41 only).

• Connects all of your PCs to the Internet with only one purchased IP address.

• Creates a firewall to protect your PCs from outside intruders.

• Configurable through any networked PC's web browser using Netscape or

Internet Explorer 4.0 or higher.

• The switch dramatically speeds up your gaming and multimedia connec-

tions.

• Can simultaneously act as both a DHCP Server on the LAN and a DHCP

Client on the WAN.

• Compatible with virtually all standard Internet applications.

• Administrators can block specific interior users' Internet access.

• DMZ Host option provides two-way communication between one PC and

your Internet services.

BEFSR41 User Guide Apr 2000.qxd 4/27/00 3:19 PM Page 1

Instant Broadband Series

Package Contents

• One Linksys Instant Broadband Cable/DSL Router

• One power adapter (4-Port Router only)

• One power cord

• One user guide and registration card

System Requirements

PC Requirements

• One RJ-45 Broadband Internet connection

• One PC with an installed 10Mbps, 100Mbps, or 10/100 Mbps Ethernet card

• TCP/IP network protocol for each PC

• UTP network cable with RJ-45 connector

• Microsoft Internet Explorer 4.0 or later, or Netscape Navigator 4.0 or later.

(5.0 and 4.7, respectively, are strongly recommended.)

BEFSR41 User Guide Apr 2000.qxd 4/27/00 3:20 PM Page 2

EtherFast Cable/DSL Routers

Getting to Know the 4-Port

EtherFast Cable/DSL Router

The 4-Port Router’s Rear Panel

The rear panel of the Router is where all of the Router’s connections are

made.

The 4-Port Router’s Ports

WAN The WAN (Wide Area Network) Port is where you

will connect your cable or DSL modem.

Uplink The Uplink Port is where you can expand your net-

work by connecting to another switch or hub. The

Uplink Port is shared with Port 1. Uplinking to

another Router, switch or a hub is done by simply

running a cable from the Uplink Port to the other

device. If the Uplink port is being used, Port 1 will

not work.

Ports 1-4 These four LAN (Local Area Network) ports are

where you will connect networked devices, such as

PCs, print servers, remote hard drives, and any-

thing else you want to put on your network. If Port

1 is being used, the Uplink Port will not work.

Power The Power Port is where you will connect the

included AC Power adapter.

BEFSR41 User Guide Apr 2000.qxd 4/27/00 3:20 PM Page 3

Instant Broadband Series

The 4-Port Router’s Front Panel LEDs

The LAN Indicators

Power Green. The Power LED illuminates when the Router is pow-

ered on.

Link/Act Green. The Link/Act LED serves two purposes. If the LED

is continuously illuminated, the Router is successfully con-

nected to a device through the corresponding port (1, 2, 3

or 4). If the LED is flickering, the Router is actively send-

ing or receiving data over that port.

Full/Col Green. The Full/Col LED also serves two purposes. If this

LED is continuously illuminated, the connection made

through the corresponding port is successfully running in

Full Duplex mode. If the LED is flickering, the connection

is experiencing collisions. Infrequent collisions are normal.

If this LED is flickering too often, there may be a problem

with your connection. Check the Troubleshooting section on

page 30 if you think there is a problem.

100 or 10/100 Orange. The 100 LED illuminates when a successful

100Mbps connection is made through the corresponding

port.

BEFSR41 User Guide Apr 2000.qxd 4/27/00 3:20 PM Page 4

EtherFast Cable/DSL Routers

The WAN Indicators

Link Green. The Link LED illuminates when a successful con-

nection is made between the Router and your Broadband

device or network.

Act Green. The Act LED flickers when the Router is sending or

receiving data over the broadband port.

Diag Red. The Diag LED illuminates when the Router goes

through its self-diagnosis mode during boot-up. It will turn

off upon successful completion of the diagnosis. If this

LED stays on for an abnormally long period of time, refer

to Troubleshooting on page 30.

The Reset Button*

Briefly pressing the Reset Button will refresh the Router’s con-

nections, potentially clearing any jammed links.

Pressing the Reset Button and holding it in for a few seconds will

clear all of the Router’s data. This should be done only if you are experienc-

ing heavy routing problems, and only after you have exhausted all of the

other troubleshooting options. By resetting the Router, you run the risk of

creating conflicts between your PCs’ actual IP Addresses and what the Router

thinks their IP Addresses should be.You may be forced to reboot the entire

system(s).

If your router locks up, simply power it down for 3 to 5 seconds by removing

the power cable from the Router’s Power Port. Leaving the power off for too

long could result in the loss of network connections.

* The Reset Button is located on the front of the 4-Port Router and on the rear of the One-Port

Router.

BEFSR41 User Guide Apr 2000.qxd 4/27/00 3:20 PM Page 5

Instant Broadband Series

Getting to Know the One-Port

EtherFast Cable/DSLRouter

The One-Port Router’s Rear Panel

The rear panel of the Router is where all of the Router’s connections are

made, and where you can reset or configure the Router’s LAN port.

The One-Port Router’s Ports

WAN The WAN (Wide Area Network) Port is where you

will connect your cable or DSL modem.

LAN The LAN (Local Area Network) port is where you

will connect your Router to a network hub, switch,

or similar port.

Power The Power Port is where you will connect the

included AC Power adapter.

BEFSR41 User Guide Apr 2000.qxd 4/27/00 3:20 PM Page 6

EtherFast Cable/DSL Routers

Buttons & Switches

The Reset Button Information on the

Reset button can be

found on page 5.

The Crossover Switch The Crossover

Switch ( II X )

toggles the LAN

port between

crossover mode (X)

and straight-through

mode (II). If you are connecting the Router directly

to a computer or to an Uplink port, choose

crossover (X). For anything else, choose straight-

through (II).

The One-Port Router’s Front Panel LEDs

The LAN Indicators

Power Green. The Power LED illuminates when the Router is pow-

ered on.

Link/Act Green. The Link/Act LED serves two purposes. If the LED

is continuously illuminated, the Router is successfully con-

nected to a device through the LAN port. If the LED is

flickering, the Router is actively sending or receiving data

over the LAN port.

NNoottee::If you aren’t

sure whether to

choose crossover

or straight-through

on the crossover

switch, a good indicator is to

check the Link LED on the front

of the Router. If the Link light is

not illuminated after the router is

fully installed and configured, try

switching the crossover switch

over to the other option. If the

Link LED illuminates then, you

have made the correct choice.

BEFSR41 User Guide Apr 2000.qxd 4/27/00 3:20 PM Page 7

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